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How to replace a whole line with sed?
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224
Try this:
sed "s/aaa=.*/aaa=xxx/g"
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What does the “expand” option do in grunt-contrib-copy? The examples all use it but the docs say not
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edited Jul 15 '14 at 10:27
jgillich
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an...
Rails: How to get the model class name based on the controller class name?
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malclockemalclocke
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Image loaded event in for ng-src in AngularJS
...chris Frisina
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answered Jul 26 '13 at 14:59
mikachmikach
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How to convert a ruby hash object to JSON?
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edited May 23 '17 at 12:34
Community♦
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answered Jul 6 '10 at 6:40
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Enabling error display in PHP via htaccess only
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answered May 25 '11 at 16:54
silexsilex
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How find all unused classes in Intellij Idea?
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4 Answers
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Active
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Change Activity's theme programmatically
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4 Answers
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How to fix error with xml2-config not found when installing PHP from sources?
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439
All you need to do instal install package libxml2-dev for example:
sudo apt-get install libxm...
Assign pandas dataframe column dtypes
...05-01
1 b 2 2018-05-02
df.dtypes
x object
y int64
z datetime64[ns]
dtype: object
and confirm the dtype is updated.
OLD/DEPRECATED ANSWER for pandas 0.12 - 0.16: You can use convert_objects to infer better dtypes:
In [21]: df
Out[21]:
x y
0 a 1
1 b 2
In [...